A simple technique of locating noise sources of a jet under simulated forward motion

4th AIAA/CEAS Aeroacoustics Conference

Volumn , Issue , 1998, Pages

  Ahuja, K K ^a,b   Massey, K C ^a,c   D'Agostino M S ^a,d  

^a GEORGIA INSTITUTE OF TECHNOLOGY   (United States)

^b AE School   (United States)

^c FORD MOTOR COMPANY   (United States)

^d Thermal Sci and Propulsion Center   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC NOISE; AEROACOUSTICS; FLIGHT SIMULATORS; MICROPHONES; NOZZLES;

CROSS CORRELATIONS; DIFFERENT FREQUENCY; FLIGHT SIMULATION; MINIMUM PHASE; NOISE SOURCE; PHASE SPECTRA; SOURCE LOCATION; TWO MICROPHONES;

LOCATION;

EID: 84894317043     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.2514/6.1998-2359     Document Type: Conference Paper

References (9)

1. Fisher, M. J., Harper-Bourne, M., and Glegg, S. A. L., " Jet Engine Noise Source Location: The Polar Correlation Technique," Journal of Sound and Vibration, Vol. 51 (1), pp. 23-54, 1977
2. Grosche, F.-R., "Distribution of Sound Source Intensities in Subsonic and Supersonic Jets," AGARED CP-131, Paper 4, 1974.
3. Fuchs H. V., "On the Application of Acoustic"Mirror," "Telescope" and "Polar Correlation" Techniques to Jet Noise Source Location." Journal of Sound and Vibration, Vol. 58 (1), pp. 117-126, 1978.
4. Robert Dougherty of Boeing Airplane Company, Seattle, Private Communication.
5. Underbrink, J. R., Practical Considerations in Focused Array Design for Passive Broad-Band Source Mapping Applications, MS Thesis, The Penn State University, May 1995.
6. Ahuja, K. K., Tester, B. J., and Tanna, H. K., "The Free Jet as a Simulator of Forward Velocity Effects on Jet Noise," Final Report, NASA CR-3056, 1978.
7. Ahuja, K. K., and Brown, W. H., "Shear Flow Control by Mechanical Tabs," AIAA Paper 89-0994, March 1989.
8. Zaman, K. B. M. Q., "Streamwise Vorticity Generation and Mixing Enhancement in Free Jets by 'Delta Tabs', "AIAA-93-3253, 1993.
9. Maestrello, Lucio, "Two-point Correlations of Sound Pressure in the Far Field of a Jet: Experiments," NASA TM X-72835, 1976.